package main

import (
	"sort"
	"strconv"
)

//给你一个数组 orders，表示客户在餐厅中完成的订单，确切地说， orders[i]=[customerNamei,tableNumberi,foodIt
//emi] ，其中 customerNamei 是客户的姓名，tableNumberi 是客户所在餐桌的桌号，而 foodItemi 是客户点的餐品名称。
//
// 请你返回该餐厅的 点菜展示表 。在这张表中，表中第一行为标题，其第一列为餐桌桌号 “Table” ，后面每一列都是按字母顺序排列的餐品名称。接下来每一行中
//的项则表示每张餐桌订购的相应餐品数量，第一列应当填对应的桌号，后面依次填写下单的餐品数量。
//
// 注意：客户姓名不是点菜展示表的一部分。此外，表中的数据行应该按餐桌桌号升序排列。
//
//
//
// 示例 1：
//
// 输入：orders = [["David","3","Ceviche"],["Corina","10","Beef Burrito"],["David",
//"3","Fried Chicken"],["Carla","5","Water"],["Carla","5","Ceviche"],["Rous","3","
//Ceviche"]]
//输出：[["Table","Beef Burrito","Ceviche","Fried Chicken","Water"],["3","0","2","1
//","0"],["5","0","1","0","1"],["10","1","0","0","0"]]
//解释：
//点菜展示表如下所示：
//Table,Beef Burrito,Ceviche,Fried Chicken,Water
//3    ,0           ,2      ,1            ,0
//5    ,0           ,1      ,0            ,1
//10   ,1           ,0      ,0            ,0
//对于餐桌 3：David 点了 "Ceviche" 和 "Fried Chicken"，而 Rous 点了 "Ceviche"
//而餐桌 5：Carla 点了 "Water" 和 "Ceviche"
//餐桌 10：Corina 点了 "Beef Burrito"
//
//
// 示例 2：
//
// 输入：orders = [["James","12","Fried Chicken"],["Ratesh","12","Fried Chicken"],[
//"Amadeus","12","Fried Chicken"],["Adam","1","Canadian Waffles"],["Brianna","1","
//Canadian Waffles"]]
//输出：[["Table","Canadian Waffles","Fried Chicken"],["1","2","0"],["12","0","3"]]
//
//解释：
//对于餐桌 1：Adam 和 Brianna 都点了 "Canadian Waffles"
//而餐桌 12：James, Ratesh 和 Amadeus 都点了 "Fried Chicken"
//
//
// 示例 3：
//
// 输入：orders = [["Laura","2","Bean Burrito"],["Jhon","2","Beef Burrito"],["Melis
//sa","2","Soda"]]
//输出：[["Table","Bean Burrito","Beef Burrito","Soda"],["2","1","1","1"]]
//
//
//
//
// 提示：
//
//
// 1 <= orders.length <= 5 * 10^4
// orders[i].length == 3
// 1 <= customerNamei.length, foodItemi.length <= 20
// customerNamei 和 foodItemi 由大小写英文字母及空格字符 ' ' 组成。
// tableNumberi 是 1 到 500 范围内的整数。
//
// Related Topics 数组 哈希表 字符串 有序集合 排序
// 👍 55 👎 0

//leetcode submit region begin(Prohibit modification and deletion)

//Set 定义set集合
type Set map[string]struct{}

func (s Set) Add(key string) {
	s[key] = struct{}{}
}

func displayTable(orders [][]string) [][]string {
	var (
		tableNum []int
		foodItem []string
		foodCnt  map[string]map[string]int
	)
	temp := map[string]struct{}{}
	foodCnt = make(map[string]map[string]int)

	for _, order := range orders {
		id := order[1]
		dish := order[2]

		if foodCnt[id] == nil {
			foodCnt[id] = map[string]int{}
		}
		//这个菜数量加1
		foodCnt[id][dish]++

		if _, ok := temp[id]; !ok {
			temp[id] = struct{}{}
			table, _ := strconv.Atoi(id)
			tableNum = append(tableNum, table)
		}

		if _, ok := temp[dish]; !ok {
			temp[dish] = struct{}{}
			foodItem = append(foodItem, dish)
		}
	}
	sort.Strings(foodItem)
	sort.Ints(tableNum)

	table := make([][]string, len(tableNum)+1)
	for i := range table {
		table[i] = make([]string, len(foodItem)+1)
	}

	table[0][0] = "Table"
	for i, food := range foodItem {
		table[0][i+1] = food
	}
	for i, num := range tableNum {
		numStr := strconv.Itoa(num)
		table[i+1][0] = numStr

		for index, food := range foodItem {
			table[i+1][index+1] = strconv.Itoa(foodCnt[numStr][food])
		}
	}
	return table
}

//leetcode submit region end(Prohibit modification and deletion)

func main() {

}
